Understanding Cell Differentiation and DNA

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Questions and Answers

What is the internal blueprint referred to as in the context of cell formation?

  • RNA
  • Histone
  • Chromatin fiber
  • DNA (correct)

What is the condensed form of DNA when it is wrapped around a histone?

  • Nucleosome (correct)
  • Chromosome
  • Kinetochore
  • Chromatid

What is the ordered series of events involving cell growth and division to produce new cells called?

  • DNA replication
  • Cell cycle (correct)
  • Histone modification
  • Gene expression

How many major phases are involved in the cell cycle?

<p>2 (B)</p> Signup and view all the answers

What is the most condensed form of genetic material?

<p>Chromosome (D)</p> Signup and view all the answers

Which phase of the cell cycle involves cell growth and DNA replication?

<p>Interphase (B)</p> Signup and view all the answers

During which phase of the cell cycle does DNA replication occur in eukaryotic cells?

<p>S (D)</p> Signup and view all the answers

In which phase of the cell cycle is the cell considered to be in a resting state?

<p>G0 (B)</p> Signup and view all the answers

What is the phase directly associated with G1 and is the second-longest phase of the cell cycle?

<p>G1 (B)</p> Signup and view all the answers

During which phase does the cell prepare for the following phases by accumulating proteins, building blocks for DNA, and energy?

<p>G1 (B)</p> Signup and view all the answers

In which phase of the cell cycle do significant changes to the organelles and cell structure occur?

<p>G2 (D)</p> Signup and view all the answers

What marks the transition from prophase to metaphase in the cell cycle?

<p>Disintegration of nuclear envelope (C)</p> Signup and view all the answers

What is being duplicated to form the mitotic spindle during interphase?

<p>Centrosome (B)</p> Signup and view all the answers

How is the periodic table mainly divided?

<p>By families, which are the elements in a column (B)</p> Signup and view all the answers

What indicates a forward reaction in a chemical equation?

<p>An arrow pointing to the right (C)</p> Signup and view all the answers

What does an arrow pointing to the left indicate in a chemical equation?

<p>A reversible reaction (A)</p> Signup and view all the answers

What does a subscript 'g' indicate in a chemical formula?

<p>Gaseous state (D)</p> Signup and view all the answers

How does the modern IUPAC differentiate families in the periodic table?

<p>Using Arabic numbers (D)</p> Signup and view all the answers

What is the purpose of using subscripts in chemical formulas?

<p>To indicate the state of the compound (B)</p> Signup and view all the answers

What type of reaction occurs when multiple reactants interact to form a single product?

<p>Composition reaction (C)</p> Signup and view all the answers

In which type of reaction does one compound undergo changes due to an external factor and breaks down into its constituents?

<p>Decomposition reaction (C)</p> Signup and view all the answers

What is the general formula for composition reactions?

<p>$A + B = AB$ (D)</p> Signup and view all the answers

Which type of reaction involves the formation of salt from the interaction of sodium and chlorine?

<p>Composition reaction (B)</p> Signup and view all the answers

When does a decomposition reaction occur?

<p>When one compound undergoes changes due to an external factor and breaks down into its constituents (C)</p> Signup and view all the answers

In which type of reaction does a compound release energy as the bonds are broken?

<p>Decomposition reaction (C)</p> Signup and view all the answers

What are coefficients used for in chemical equations?

<p>To show how much of a compound is involved in the reaction (C)</p> Signup and view all the answers

What do subscripts indicate in chemical formulas?

<p>$H_2O$ molecule is formed from hydrogen and oxygen elements (D)</p> Signup and view all the answers

Which group of elements is involved in the chemical equation for photosynthesis?

<p>$CO_2(𝑔)$, $𝐻_2𝑂(𝑙)$, $𝐶_6𝐻_{12}𝑂_6(𝑠)$, $O_2(𝑔)$ (A)</p> Signup and view all the answers

What does photosynthesis involve the interaction of to synthesize glucose and oxygen?

<p>Carbon dioxide and water (D)</p> Signup and view all the answers

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